WO2001015437A1 - System and method for entry of complex characters into a television-based web browser - Google Patents

System and method for entry of complex characters into a television-based web browser Download PDF

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Publication number
WO2001015437A1
WO2001015437A1 PCT/US2000/023562 US0023562W WO0115437A1 WO 2001015437 A1 WO2001015437 A1 WO 2001015437A1 US 0023562 W US0023562 W US 0023562W WO 0115437 A1 WO0115437 A1 WO 0115437A1
Authority
WO
WIPO (PCT)
Prior art keywords
television
remote control
character
recited
data
Prior art date
Application number
PCT/US2000/023562
Other languages
French (fr)
Inventor
Thomas A. Grate
Christopher H. Phillips
Original Assignee
Microsoft Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corporation filed Critical Microsoft Corporation
Publication of WO2001015437A1 publication Critical patent/WO2001015437A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/4222—Remote control device emulator integrated into a non-television apparatus, e.g. a PDA, media center or smart toy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42224—Touch pad or touch panel provided on the remote control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4782—Web browsing, e.g. WebTV

Definitions

  • This invention relates to television-based web browsers, and more particularly, to the entry of complex scripts into a television-based web browser using a handheld remote control device.
  • Web browsers often require entry of typewritten language characters to perform various functions. For example, it is common to enter typewritten language characters to specify a Universal Resource Locator (URL) address. A user types the URL address "http://www.microsoft.com" into the address entry field to access one of Microsoft's Internet websites.
  • URL Universal Resource Locator
  • Television-based web browsers have become common, especially among home users who have historically had little or no access to a personal computer or the Internet.
  • These systems typically allow a user to enter typewritten language characters into a web browser utilizing a keyboard that communicates with the web browser host either through a standard keyboard cable or via a wireless link.
  • Providing keyboards directed to Latin character set based languages e.g.,
  • English, German, French, etc. has proven to be of little problem.
  • other languages pose problems for users attempting to enter characters, or scripts, into a television-based web browser.
  • languages such as Japanese, Chinese, Korean, and the like consist of so many characters, that to make practical use of a typical keyboard requires use of an indirect method of entering scripts.
  • the Chinese language consists of over 50,000 characters. This prohibits the familiar use of having one key of a standard keyboard assigned for each character.
  • IME Input Method Editor
  • a user of a Japanese web browser might enter the Latin characters "w-a-t-a-s-h-i" and then press a key to cause these characters to be phonetically converted to the appropriate Japanese character.
  • some IMEs use patterns or the number of strokes in a character to identify a character.
  • the present invention concerns a system and method for entering complex scripts into a television-based web browser by providing a touch sensitive pad on a handheld remote control device that allows the user to write language characters directly onto the touch sensitive pad for transmission to the web browser.
  • the user writes a language character onto the touch sensitive pad of the handheld remote control device.
  • the handheld remote control device has a character recognizer to recognize the strokes as a language character and convert the strokes to data representing the language character.
  • the data is transmitted to a web browser host of a television unit, where it is rendered on the television screen.
  • Fig. 1 is a diagrammatic illustration of a television remote control system having a handheld remote control device and a television unit having a web browser host.
  • Fig. 2 is a block diagram of the handheld remote control device and television unit of Fig. 1.
  • Fig. 3 is a flow diagram showing the method for entering complex scripts into a television-based web browser.
  • the present invention concerns a system and method for entering complex scripts into a television-based web browser.
  • the invention is implemented utilizing a touch sensitive pad on which a user may write language characters to enter into the web browser.
  • the present invention is described in the context of a handheld remote control device which has an integrated touch sensitive pad for use with a television-based web browser.
  • the described implementation refers to a web browser, which includes Internet browsers.
  • the invention may be implemented with other browser types such as a file browser.
  • the invention may also be implemented within a broadcast enabled computer that is capable of receiving and displaying television signals, or perhaps general purpose computers that require entry of complex scripts to operate.
  • Fig. 1 shows a television remote control system 20 in which the present invention may be implemented.
  • the system has an advanced handheld remote control device 22 and a television browser unit 24.
  • the television browser unit 24 has a set top box 26 for housing a web browser host, and a television 28.
  • the web browser host may be integrated into the television 28.
  • the advanced handheld remote control device 22 has features common to standard television remote control devices, such as a power actuator 30, a channel toggle control 32 with a channel up pad 34 and a channel down pad 36, and a volume toggle control 38 with a volume up pad 40 and a volume down pad 42.
  • the advanced handheld remote control device 22 is equipped with a touch sensitive pad 44, a display screen 46 which displays several user options, and a scrolling wheel 48 for scrolling between user options on the display screen 46.
  • the advanced handheld remote control device 22 also has a stylus 50 for interfacing with the touch sensitive pad 44. It is noted that the touch sensitive pad 44 and display screen 46 may be integrated to form a touch sensitive display screen.
  • Fig. 2 shows selected functional components of the television remote control system.
  • the television remote control system 20 has two primary components, the advanced handheld remote control device 22 and the television browser unit 24.
  • the advanced handheld remote control device 22 also has a processor 70, a data transmitter 72 and memory 74.
  • a remote control operating system 76 is resident within the memory 74 and executable on the processor 70.
  • a touch sensitive pad driver 78, a display screen driver 79 and a character recognizer 80 are executable functions resident within memory 74.
  • the television unit 24 has a data receiver 82 and a web browser host 84.
  • the web browser host 84 also has a processor 86 and memory 88.
  • a web host operating system 90 and a television- based web browser 92 are resident within the memory 88 of the web browser host 84 and are executable on the processor 86.
  • character recognizer 80' may reside at the web host operating system 90.
  • Fig. 3 depicts a general process for entering complex scripts into the television-based web browser 92. The user writes strokes to define a language character onto the touch sensitive pad 44 using the stylus 50.
  • the touch sensitive pad driver 78 scans the touch sensitive pad 44 periodically to detect user input and the touch sensitive pad driver 78 receives the strokes from the touch sensitive pad 44.
  • the touch sensitive pad driver 78 passes the strokes from the touch sensitive pad 44 to the character recognizer 80.
  • the character recognizer 80 when the character recognizer 80 has sufficient data, it recognizes the strokes written by the user as a language character and converts the strokes into the language character data (i.e., ASCII code) representing the language character.
  • the language character data is then transmitted from the data transmitter 72 to the data receiver 82 via a wireless communication link (step 106 of Fig. 3).
  • the data transmitter 72 and the data receiver 82 may also comprise data transceivers.
  • data would flow from the advance handheld remote control device 22 to the television unit 24 and from the television unit 24 to the advanced handheld remote control device 22.
  • the wireless communication may be implemented with IR (infrared) or RF
  • step 108 of Fig. 3 when the data receiver 82 receives the transmission from the data transmitter 72, the accuracy of the language character data transmitted is verified. If the transmission failed, the language character data is re-transmitted. If the integrity of the language character data is intact, the data receiver 82 provides the data to the television-based web browser 92 of the web browser host 84. As shown in step 110, the television-based web browser 92 provides the language character data to be displayed on the television 28.
  • step 114 of Fig. 3 If the user enters another language character, the process is repeated from step 102 of Fig. 3. If the user has concluded entering characters, the process is concluded (step 114 of Fig. 3).
  • the described embodiment of the present invention utilizes a television 28 to display the web browser 92
  • the web browser 92 can be displayed on any display unit as long as the display unit has a video display screen.
  • the data transmitted from the data transmitter 72 of the handheld remote control device 22 to the data receiver 82 of the television unit 24 is the handwriting stroke data.
  • This data is subsequently provided to the character recognizer 80' at the web browser host 74, which converts the strokes into language character data to be entered into the television-based web browser 92 for display on the television 28.

Abstract

A system and method allows a user of a television-based web browser to enter complex scripts, e.g., foreign languages, into the web browser by handwriting language characters on a touch sensitive pad of a handheld remote control device.

Description

SYSTEM AND METHOD FOR ENTRY OF COMPLEX CHARACTERS INTO A TELEVISION-BASED WEB
BROWSER
TECHNICAL FIELD This invention relates to television-based web browsers, and more particularly, to the entry of complex scripts into a television-based web browser using a handheld remote control device.
BACKGROUND OF THE INVENTION
Web browsers often require entry of typewritten language characters to perform various functions. For example, it is common to enter typewritten language characters to specify a Universal Resource Locator (URL) address. A user types the URL address "http://www.microsoft.com" into the address entry field to access one of Microsoft's Internet websites. Television-based web browsers have become common, especially among home users who have historically had little or no access to a personal computer or the Internet. These systems typically allow a user to enter typewritten language characters into a web browser utilizing a keyboard that communicates with the web browser host either through a standard keyboard cable or via a wireless link. Providing keyboards directed to Latin character set based languages (e.g.,
English, German, French, etc.) has proven to be of little problem. However, other languages pose problems for users attempting to enter characters, or scripts, into a television-based web browser. This is because languages such as Japanese, Chinese, Korean, and the like consist of so many characters, that to make practical use of a typical keyboard requires use of an indirect method of entering scripts. For example, the Chinese language consists of over 50,000 characters. This prohibits the familiar use of having one key of a standard keyboard assigned for each character.
Currently, utilizing a U.S. or European keyboard for entering complex scripts such as Chinese or Japanese into a web browser is implemented using an Input Method Editor (IME). An IME is used to convert characters entered on the keyboard by a user into a typewritten language character in the user's language.
IMEs do this in several ways.
For example, a user of a Japanese web browser might enter the Latin characters "w-a-t-a-s-h-i" and then press a key to cause these characters to be phonetically converted to the appropriate Japanese character. As an alternative to entering characters phonetically, some IMEs use patterns or the number of strokes in a character to identify a character.
Since the initial entry, whether phonetic or otherwise, may be interpreted as being appropriate for several characters, the user is usually shown a list of characters which match the input. The user scrolls up or down to highlight the character the user wishes to enter. In addition to being slow and cumbersome, this is an unnatural language process for the user. Another drawback of input method editors is that they are difficult to learn and usually require a beginner to attend a high school or college level class. These problems make using television-based web browsers difficult for some users and discourage use of such browsers by persons who communicate in a language that requires entry of a complex scripts.
SUMMARY OF THE INVENTION
The present invention concerns a system and method for entering complex scripts into a television-based web browser by providing a touch sensitive pad on a handheld remote control device that allows the user to write language characters directly onto the touch sensitive pad for transmission to the web browser.
In the described implementation, the user writes a language character onto the touch sensitive pad of the handheld remote control device. The handheld remote control device has a character recognizer to recognize the strokes as a language character and convert the strokes to data representing the language character. The data is transmitted to a web browser host of a television unit, where it is rendered on the television screen.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a diagrammatic illustration of a television remote control system having a handheld remote control device and a television unit having a web browser host.
Fig. 2 is a block diagram of the handheld remote control device and television unit of Fig. 1.
Fig. 3 is a flow diagram showing the method for entering complex scripts into a television-based web browser.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The present invention concerns a system and method for entering complex scripts into a television-based web browser. The invention is implemented utilizing a touch sensitive pad on which a user may write language characters to enter into the web browser. For discussion purposes, the present invention is described in the context of a handheld remote control device which has an integrated touch sensitive pad for use with a television-based web browser. In addition, the described implementation refers to a web browser, which includes Internet browsers. However, the invention may be implemented with other browser types such as a file browser. The invention may also be implemented within a broadcast enabled computer that is capable of receiving and displaying television signals, or perhaps general purpose computers that require entry of complex scripts to operate.
Fig. 1 shows a television remote control system 20 in which the present invention may be implemented. The system has an advanced handheld remote control device 22 and a television browser unit 24. In Fig. 1, the television browser unit 24 has a set top box 26 for housing a web browser host, and a television 28. In another implementation, the web browser host may be integrated into the television 28. The advanced handheld remote control device 22 has features common to standard television remote control devices, such as a power actuator 30, a channel toggle control 32 with a channel up pad 34 and a channel down pad 36, and a volume toggle control 38 with a volume up pad 40 and a volume down pad 42. In addition to features of a standard television remote control, the advanced handheld remote control device 22 is equipped with a touch sensitive pad 44, a display screen 46 which displays several user options, and a scrolling wheel 48 for scrolling between user options on the display screen 46. The advanced handheld remote control device 22 also has a stylus 50 for interfacing with the touch sensitive pad 44. It is noted that the touch sensitive pad 44 and display screen 46 may be integrated to form a touch sensitive display screen.
Fig. 2 shows selected functional components of the television remote control system. The television remote control system 20 has two primary components, the advanced handheld remote control device 22 and the television browser unit 24.
In addition to the touch sensitive pad 44 and display screen 46, the advanced handheld remote control device 22 also has a processor 70, a data transmitter 72 and memory 74. A remote control operating system 76 is resident within the memory 74 and executable on the processor 70. A touch sensitive pad driver 78, a display screen driver 79 and a character recognizer 80 are executable functions resident within memory 74.
In addition to the television 28 shown in Fig. 2, the television unit 24 has a data receiver 82 and a web browser host 84. The web browser host 84 also has a processor 86 and memory 88. A web host operating system 90 and a television- based web browser 92 are resident within the memory 88 of the web browser host 84 and are executable on the processor 86. In an alternative implementation, character recognizer 80' may reside at the web host operating system 90. Fig. 3 depicts a general process for entering complex scripts into the television-based web browser 92. The user writes strokes to define a language character onto the touch sensitive pad 44 using the stylus 50. At step 102, the touch sensitive pad driver 78 scans the touch sensitive pad 44 periodically to detect user input and the touch sensitive pad driver 78 receives the strokes from the touch sensitive pad 44. The touch sensitive pad driver 78 passes the strokes from the touch sensitive pad 44 to the character recognizer 80. At step 104, when the character recognizer 80 has sufficient data, it recognizes the strokes written by the user as a language character and converts the strokes into the language character data (i.e., ASCII code) representing the language character. The language character data is then transmitted from the data transmitter 72 to the data receiver 82 via a wireless communication link (step 106 of Fig. 3).
It is noted that the data transmitter 72 and the data receiver 82 may also comprise data transceivers. In this case, data would flow from the advance handheld remote control device 22 to the television unit 24 and from the television unit 24 to the advanced handheld remote control device 22. The wireless communication may be implemented with IR (infrared) or RF
(radio frequency) transmitters and receivers. If the transmitter and receiver are IR, then an IR port of the data transmitter 72 in the handheld remote control device 22 is aligned with an IR port of the data receiver 82 in the television browser unit 24. If, however, the transmitter and receiver utilize RF, no orientation is needed.
As shown at step 108 of Fig. 3, when the data receiver 82 receives the transmission from the data transmitter 72, the accuracy of the language character data transmitted is verified. If the transmission failed, the language character data is re-transmitted. If the integrity of the language character data is intact, the data receiver 82 provides the data to the television-based web browser 92 of the web browser host 84. As shown in step 110, the television-based web browser 92 provides the language character data to be displayed on the television 28.
If the user enters another language character, the process is repeated from step 102 of Fig. 3. If the user has concluded entering characters, the process is concluded (step 114 of Fig. 3).
Although the described embodiment of the present invention utilizes a television 28 to display the web browser 92, it is noted that the web browser 92 can be displayed on any display unit as long as the display unit has a video display screen. In the implementation where the character recognizer 80' resides at the web browser host 84, the data transmitted from the data transmitter 72 of the handheld remote control device 22 to the data receiver 82 of the television unit 24 is the handwriting stroke data. This data is subsequently provided to the character recognizer 80' at the web browser host 74, which converts the strokes into language character data to be entered into the television-based web browser 92 for display on the television 28. Although the invention has been described in language specific to structural features and/or methodological steps, it is to be understood that the invention defined in the appended claims is not necessarily limited to the specific features or steps described. Rather, the specific features and steps are disclosed as preferred forms of implementing the claimed invention.

Claims

1. A remote control system, comprising: a handheld remote control device having a data transmitter and a touch sensitive pad for receiving handwriting strokes input by a user; a web browser host running a browser program and having a data receiver to receive data transmitted by the data transmitter; and a character recognizer to convert the handwriting strokes input by the user into language characters that can be entered into the browser program.
2. The remote control system recited in claim 1 further comprising a television to display the browser program.
3. The remote control system recited in claim 1 wherein the browser program is an Internet browser program.
4. The remote control system recited in claim 1 wherein the character recognizer is located within the handheld remote control device and the handwriting strokes input by the user are converted into language characters before being transmitted to the web browser.
5. The remote control system recited in claim 1 wherein the character recognizer is located within the web browser host and the handwriting strokes input by the user are converted into language characters after the handwriting strokes are transmitted to the web browser.
6. The remote control system recited in claim 1 wherein the data transmitter is an IR transmitter.
7. The remote control system recited in claim 1 wherein the data transmitter is an RF transmitter.
8. A television remote control system, comprising: a handheld remote control device having a data transmitter and a touch sensitive pad for receiving handwriting strokes input by a user; a television unit having a data receiver to receive data transmitted from the handheld remote control device; a character recognizer to convert handwriting strokes input by the user into language characters that can be entered into the television unit.
9. The television remote control system recited in claim 8 wherein the television unit comprises a television receiver, a video display screen and a web browser host which contains the data receiver.
10. The television remote control system recited in claim 8 wherein the television unit comprises a television and a set top box which contains the data receiver.
11. The television remote control system recited in claim 10 wherein the set top box also contains the web browser host.
12. The television remote control system recited in claim 8 wherein the television unit runs a browser program.
13. The television remote control system recited in claim 12 wherein the browser program is an Internet browser program.
14. The television remote control system recited in claim 8 wherein the television unit operates in conjunction with a television-enabled computer.
15. The television remote control system recited in claim 14 wherein the television-enabled computer runs a web browser program.
16. A handheld remote control device, comprising: a control for changing channels on a television receptive device; a touch sensitive pad for receiving data input by the user; and a data transmitter for transmitting channel changing signals and the data.
17. The handheld remote control device recited in claim 16 wherein the data input by the user includes handwriting strokes.
18. The handheld remote control device recited in claim 17 further comprising a character recognizer to receive the handwriting strokes input by the user and convert the handwriting strokes into a language character.
19. The handheld remote control device recited in claim 17 wherein the control for changing channels on a television receptive device is a channel up/down actuator.
20. The handheld remote control device recited in claim 17 wherein the control for changing channels on a television receptive device is a software enable control.
21.
22. The handheld remote control device recited in claim 16 wherein the data transmitter is an IR data transmitter.
23. The handheld remote control device recited in claim 16 wherein the data transmitter is an RF transmitter.
24. A television handheld remote control, comprising: a channel up/down control; a volume up/down control; a touch sensitive pad; a character recognizer to convert handwriting strokes entered on the touch sensitive pad into language characters; a data transmitter to transmit the language characters.
25. The television handheld remote control recited in claim 21 wherein the channel up/down control comprises a channel up/down actuator.
26. The television handheld remote control recited in claim 21 wherein the volume up/down control comprises a volume up/down actuator.
27. The television handheld remote control recited in claim 21 wherein the channel up/down control and the volume up/down control are software enabled controls.
28. The television handheld remote control recited in claim 24 wherein the data transmitter is an IR transmitter.
29. The television handheld remote control recited in claim 24 wherein the data transmitter is an RF transmitter.
30. A method for entering complex scripts into a web browser, comprising: receiving user-written character strokes on a touch sensitive pad; recognizing the character strokes as a language character; converting the character strokes into data representing the language character; transmitting the data representing the language character to a web browser; and displaying the language character.
31. The method recited in claim 30 wherein the displaying comprises displaying the language character on a video display device.
32. The method recited in claim 30 wherein the displaying comprises displaying the language character on a television.
33. A method for entering complex scripts into a web browser, comprising: receiving handwritten character strokes on a touch sensitive pad on a television remote control device; recognizing the character strokes as a language character; converting the character strokes into data representing a language character; transmitting the character data to a data receiver in a web browser host of a television unit; and displaying the language character.
34. The method recited in claim 33 wherein displaying the language character is further defined as displaying the language character on a video display device.
35. The method recited in claim 33 wherein displaying the language character is further defined as displaying the language character on a television.
36. A method for entering complex scripts into a web browser, comprising: receiving handwritten character strokes on a touch sensitive pad on a television remote control device; transmitting the character data to a data receiver in a web browser host of a television unit; recognizing the character strokes as a language character; converting the character strokes into data representing a language character; and displaying the language character on a television.
PCT/US2000/023562 1999-08-25 2000-08-25 System and method for entry of complex characters into a television-based web browser WO2001015437A1 (en)

Applications Claiming Priority (2)

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US38256299A 1999-08-25 1999-08-25
US09/382,562 1999-08-25

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